The full-automatic underwear shoulder belt threading machine uses ultrasonic welding technology to weld the shoulder belt, process belt and back hook. The welding place is not hardened, will not smoke, will not burn the edge, and is flat, soft, non loose and smooth.

(it has no damage or side effects on human skin and can be comfortably taken to the skin).

At the same time, it will not damage the original characteristics of the ribbon (such as the elasticity and flexibility of the ribbon); The welding is firm and firm, does not change the shape of underwear, maintains the elasticity of bra, and its welding spots can be dotted with various dark patterns.

It fully shows the profound cultural heritage and romantic temperament of a Wai seamless underwear, which makes it concise and delicate, pure and profound, comfortable and fashionable, and vividly highlights the charming curve style of women.

It is an ideal equipment for welding shoulder straps and back buckles of high-grade seamless underwear and fun underwear. Its welding effect and equipment are leading in the industry.